ckage cc.openhome;public class Level {    public static void main(String[] args) {        int score = 88;        char level;         if(score >= 90) {            level = 'A';        }         else if(score >= 80 && score < 90) {            level = 'B';        }        else if(score >= 70 && score < 80) {            level = 'C';        }        else if(score >= 60 && score < 70) {            level = 'D';        }                else {            level = 'E';        }        System.out.printf("得分等級：%c%n", level);    }}
